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23142451 = 137251673
BaseRepresentation
bin101100001001…
…0000000110011
31121112202110211
41120102000303
521411024301
62144004551
7400464463
oct130220063
947482424
1023142451
11120772a2
127900757
134a43877
143105ba3
152072051
hex1612033

23142451 has 8 divisors (see below), whose sum is σ = 23439024. Its totient is φ = 22848000.

The previous prime is 23142421. The next prime is 23142463. The reversal of 23142451 is 15424132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23142451 - 25 = 23142419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23142421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34051 + ... + 34723.

It is an arithmetic number, because the mean of its divisors is an integer number (2929878).

Almost surely, 223142451 is an apocalyptic number.

23142451 is a deficient number, since it is larger than the sum of its proper divisors (296573).

23142451 is a wasteful number, since it uses less digits than its factorization.

23142451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its digits is 960, while the sum is 22.

The square root of 23142451 is about 4810.6601418101. The cubic root of 23142451 is about 284.9726084273.

Adding to 23142451 its reverse (15424132), we get a palindrome (38566583).

The spelling of 23142451 in words is "twenty-three million, one hundred forty-two thousand, four hundred fifty-one".

Divisors: 1 137 251 673 34387 92201 168923 23142451